Why does congress use committees to evaluate proposed legislation ?

What event caused south carolina to secede from union in 1860

What potential crisis did eleanor roosevelt resolve on behalf of president roosevelt

Which action by the us war department angered chief red cloud to the point that he refused to sign the treaty of fort laramie ? a) the killing of buffalo by the united states troops b) the appointment of troops to the powder river basin c) the burning of parts of the powder river basin d) the murder of chief red cloud’s wife